To halt one's work or other activity.
To rob.
To defeat.
To have sex with.
To remove, as a discount or estimate.
To make a copy of, as of a design.
To assign (an item) to a bidder at an auction, indicated by knocking on the counter.
To remove by hitting (something, someone)
To kill.
To accomplish hastily.
In social interactions, to request a deferral of an invitation. To "take a rain check" is a polite way to turn down an engagement, usually with the implication that one is simply postponing it and another time might be acceptable.
To request or accept a rain check (an agreement from a merchant to honor a special offer, temporarily unavailable, after the expiration date).